code: def predict_proba(self, *inputs, concatenate_outputs=True):
      return self._predict_common(
          self._base_container.predict_proba,
          self._remainder_model_container.predict_proba,
          *inputs,
          concatenate_outputs=concatenate_outputs,
      )
  
file_path: hummingbird/hummingbird/ml/containers/batch_container.py
imports: import numpy
  from hummingbird.ml._utils import pandas_installed
label_desc: Use image node_id 7 for calling the BatchContainer obj's underlying member method code with example usage: obj.predict_proba() and returns: self